メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.024789782496 36.757593811742, 137.024952222217 36.757781634048, 137.025565039138 36.7584585256036, 137.024038437117 36.759331485375, 137.023804034434 36.7594654785411, 137.022734701731 36.7582257741166, 137.023334066916 36.7575785271215, 137.023454444761 36.7576571718753, 137.023961423036 36.7573299514723, 137.024346634632 36.7570813723293, 137.024789782496 36.757593811742)) ^^http://www.opengis.net/ont/geosparql#wktLiteral